Finding the Third Proportional to 8,103,213 and 12,360,620.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,103,213 : 12,360,620.25 = 12,360,620.25 : x
2. Step 2: Convert to fraction form
   8,103,213/12,360,620.25 = 12,360,620.25/x
3. Step 3: Cross multiply
   8,103,213x = 12,360,620.25 × 12,360,620.25
4. Step 4: Simplify right side
   8,103,213x = 152,784,932,964,710.06
5. Step 5: Solve for x
   x = 152,784,932,964,710.06/8,103,213
6. Step 6: Final answer
   x = 18,854,858.31